#
# Population of the United States
# Source: U.S. Census Bureau
# URL (1790-1990): http://www.census.gov/population/censusdata/table-4.pdf
# URL (2000): http://www.census.gov/mso/www/c2000basics/00Basics.pdf
#

2000-04-01 281421906
1990-04-01 248709873
1980-04-01 226542199
1970-04-01 203302031
1960-04-01 179323175
1950-04-01 151325798
1940-04-01 132164569
1930-04-01 123202624
1920-01-01 106021537
1910-04-15 92228496
1900-06-01 76212168
1890-06-01 62979766
1880-06-01 50189209
1870-06-01 38558371
1860-06-01 31443321
1850-06-01 23191876
1840-06-01 17063353
1830-06-01 12860702
1820-08-07 9638453
1810-08-06 7239881
1800-08-04 5308483
1790-08-02 3929214